Home / 3,301.21-4,555.73-1,809.11

Finding the Fourth Proportional to 3,301.21, 4,555.73 and 1,809.11

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Solution

The fourth proportional to 3,301.21, 4,555.73 and 1,809.11 is: 2,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.21 : 4,555.73 = 1,809.11 : x
  2. Step 2: Convert to fraction form
    3,301.21/4,555.73 = 1,809.11/x
  3. Step 3: Cross multiply
    3,301.21x = 4,555.73 × 1,809.11
  4. Step 4: Simplify right side
    3,301.21x = 8,241,816.70
  5. Step 5: Solve for x
    x = 8,241,816.70/3,301.21
  6. Step 6: Final answer
    x = 2,496.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.